In NSW - YES. In Vic - NO.
In Vic you need a special permit.
See below in Special Information
http://www.ebay.com.au/itm/Saigo-Black- ... Swi7RZM-uII'm not suggesting that sword, but the info makes my point.
If you want one check out Lawrance Ordnance. I have never bought an Asian sword of any type from them, but I have bought a few Windlass and Hanwei European swords (which are made in Asia, I admit, but European style).